TB and HIV in children - advances in prevention and management

B J Marais1, H Rabie, M F Cotton

  • 1Department of Paediatrics and Child Health, Faculty of Health Sciences, Stellenbosch University, South Africa. bjmarais@sun.ac.za

Insights

Preventing tuberculosis (TB) in children, especially those with human immunodeficiency virus (HIV), requires pragmatic strategies. Early HIV testing, prevention of mother-to-child transmission, and isoniazid preventive therapy are crucial for managing childhood TB.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Public Health

Background:

  • The human immunodeficiency virus (HIV) epidemic significantly impacts the demographics of tuberculosis (TB) patients.
  • Children, particularly young or HIV-infected ones, face heightened vulnerability to severe TB forms after exposure.

Purpose of the Study:

  • To highlight the urgent need for effective TB prevention strategies in children, especially in high-burden areas.
  • To discuss challenges and recent advances in managing TB in HIV-infected children.

Main Methods:

  • Implementing prevention of mother-to-child transmission (PMTCT) strategies.
  • Routine HIV testing for pregnant women and exposed infants.
  • Rapid initiation of antiretroviral treatment for infants.
  • Systematic TB exposure screening at healthcare visits.
  • Provision of isoniazid preventive therapy (IPT) post-exposure.

Main Results:

  • Advances in PMTCT and infant HIV care offer improved prospects.
  • Early HIV diagnosis and treatment are vital for vulnerable infants.
  • Proactive TB exposure assessment and IPT are essential components of care.

Conclusions:

  • Managing TB in HIV-infected children presents challenges but can be improved.
  • Focused interventions utilizing available resources can significantly enhance outcomes.
  • Knowing a child's HIV status is critical for optimizing TB case management.

Related Concept Videos

Sexually Transmitted Infections01:26

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
Therapeutic Drug Monitoring: Affecting Factors01:29

Therapeutic Drug Monitoring: Affecting Factors

Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Retrovirus Life Cycles01:10

Retrovirus Life Cycles

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
Immunodeficiency Diseases01:25

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...